Methods and devices for the measurement of physical values

The invention relates to a method for the determination of body values ​​at the distant by shaving the body hair, in particular hairs (10) from adhering thereto or by shaving with distant body substances (18, 20, 22), such as skin particles (18), fat (20 ) and / or welding (22) are separated, the separate body hair (10) on its mineral content and / or the separate, remote body substances (18, 20, 22) are tested for their pH-value and / or their conductance out. The invention further relates to an apparatus for performing the method.